diff --git a/qan-api2/migrations/sql/17_shared_blk_columns.down.sql b/qan-api2/migrations/sql/17_shared_blk_columns.down.sql
index b5402a9f33..ed66b42396 100644
--- a/qan-api2/migrations/sql/17_shared_blk_columns.down.sql
+++ b/qan-api2/migrations/sql/17_shared_blk_columns.down.sql
@@ -4,8 +4,8 @@ ALTER TABLE metrics
   DROP COLUMN m_local_blk_write_time_cnt,
   DROP COLUMN m_local_blk_write_time_sum,
   RENAME COLUMN m_shared_blk_read_time_cnt to  m_blk_read_time_cnt,
-  RENAME COLUMN m_shared_blk_read_time_sum  to m_blk_read_time_sum,
+  RENAME COLUMN m_shared_blk_read_time_sum to m_blk_read_time_sum,
   COMMENT COLUMN m_blk_read_time_sum 'Total time the statement spent reading blocks, in milliseconds (if track_io_timing is enabled, otherwise zero).',
-  RENAME COLUMN m_shared_blk_write_time_cnt to m_blk_write_time_cnt;
-  RENAME COLUMN m_shared_blk_write_time_sum to m_blk_write_time_sum;
+  RENAME COLUMN m_shared_blk_write_time_cnt to m_blk_write_time_cnt,
+  RENAME COLUMN m_shared_blk_write_time_sum to m_blk_write_time_sum,
   COMMENT COLUMN m_blk_write_time_sum 'Total time the statement spent writing blocks, in milliseconds (if track_io_timing is enabled, otherwise zero).';
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